Drinking straw



FIG. 1 is a bottom front perspective view of a drinking straw showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevation view, the rear elevation view being a mirror image view thereof; and,

FIG. 4 is a top plan view thereof.

The drawings are shaded to indicate contrasting surfaces. In FIG. 4, the dash-dot-dash lines at the top end of the straw indicate boundaries of the claim. 

CLAIM The ornamental design for a drinking straw, as shown and described. 